const fruits = {
    fruits :[{
        id: 1,
        name: '苹果',
        price: 9.8,
        num:1,
        flag:true
    },{
        id: 2,
        name: '香蕉',
        price: 10.8,
        num:1,
        flag:true
    },{
        id: 3,
        name: '草莓',
        price: 15.8,
        num:1,
        flag:true
    },{
        id: 4,
        name: '菠萝',
        price: 12.8,
        num:1,
        flag:true
    },{
        id: 5,
        name: '蓝莓',
        price: 7.8,
        num:1,
        flag:true
    },{
        id: 6,
        name: '桃子',
        price: 12.8,
        num:1,
        flag:false
    }]
}